• Early AM

    Apr 18

    Lo 48°

    Partly cloudy

    Bicycling Weather
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      16 mph
    more
  • Today

    Apr 18

    77°Lo 48°

    Partly sunny

    Excellent for biking
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
  • Sun

    Apr 19

    78°Lo 46°

    Low clouds breaking

    Excellent for biking
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      14 mph
    more
  • Mon

    Apr 20

    75°Lo 47°

    Partly sunny and pleasant

    Excellent for biking
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      14 mph
    more
  • Tue

    Apr 21

    71°Lo 47°

    Variable cloudiness

    Very Good for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      17 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
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  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Sunny
Cloudy
Temp (°F) 50° 49° 48° 48° 49° 49° 52° 57°
RealFeel® 50° 49° 48° 49° 49° 50° 52° 59°
Humidity 80% 81% 87% 87% 84% 81% 77% 69%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 5 N 4 NNW 4 NNW 4 WNW 4 W 4 WSW 4 WSW 2 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 66% 52% 46% 33% 19% 14% 10% 90%
Dew Point 44° 43° 44° 44° 44° 44° 45° 47°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2014
High 77° 70° N/A 70°
Low 48° 45° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 13:17 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:33 AM with 13:28 of moolight, then sets at 8:01 PM

Palo Alto Weather Report

San Francisco: Pleasant Conditions to Hold into New Week

April 18, 2015; 12:31 AM ET

The Bay area will see pleasant conditions hold into the new week with plenty of sunshine and comfortable temperatures. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.